A new COVID variant is spreading in the US: What are the symptoms? Newly Discovered Footprints Dramatically Re-date When Humans First Came to Americas Archaeologists Thought They Found an Ancient ...

The original slate RP2040 The idea is simple: get a standard 100 mm x 100 mm (4″ x 4″) slate coaster, throw it in your laser engraver of choice, and zap it with a replica of a chip’s label.